X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plat_sdl.c;h=2d537f097ac766418404b0079a36fed981b5d1f7;hb=7b58e15633b54621f9508cb673da61a6b0844955;hp=5e3eb7c81ccf65e3bc590ed983a9dbc26df1ce2d;hpb=9bc19b0fe55420a424f01326ccbc559dc7f1e3f9;p=libpicofe.git

diff --git a/plat_sdl.c b/plat_sdl.c
index 5e3eb7c..2d537f0 100644
--- a/plat_sdl.c
+++ b/plat_sdl.c
@@ -106,12 +106,12 @@ int plat_sdl_change_video_mode(int w, int h, int force)
       || plat_target.vout_method == vout_mode_overlay2x) {
     int W = plat_target.vout_method == vout_mode_overlay2x && w < 640 ? 2*w : w;
     plat_sdl_overlay = SDL_CreateYUVOverlay(W, h, SDL_UYVY_OVERLAY, plat_sdl_screen);
-    if (plat_sdl_overlay != NULL) {
-      SDL_LockYUVOverlay(plat_sdl_overlay);
+    if (plat_sdl_overlay != NULL && SDL_LockYUVOverlay(plat_sdl_overlay) == 0) {
       if ((long)plat_sdl_overlay->pixels[0] & 3)
         fprintf(stderr, "warning: overlay pointer is unaligned\n");
 
       plat_sdl_overlay_clear();
+
       SDL_UnlockYUVOverlay(plat_sdl_overlay);
     }
     else {